Cache errors not reporting enough details

[cpg]

I am seeing these errors in a file called /var/log/.fatal.amahi-anywhere.log, however, there is no indication as to the location of the file that causes this, which would help finding out the issue

[2021-03-19 18:00:30] [FATAL] [cache.go:fillCacheWalkFunc:42] Panic while creating thumbnail: runtime error: invalid memory address or nil pointer dereference